The quantum eraser

Article Abstract:

An improvement done on the quantum interference experiment is presented wherein a laser is used to generate light in various quantum phases to produce the interference. The innovation is based on removing the photon histories of the generated quantum phases to effect 'an erasure of the past'.

Research, Evaluation, Time travel, Superconducting quantum interference devices

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The quantum physics of teleportation

Article Abstract:

Teleportation has been a popular theme in science fiction, but recent scientific studies indicate it may be possible to 'teleport' quantum states. The theories of quantum physics are discussed.

Column

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"Interaction-free" quantum measurement and imaging

Article Abstract:

Research is presented describing an improved version of Elitzur and Vaidmann's technique for interaction-free quantum imaging and measurement.

Methods, Observations, Imaging systems, Optical measurements, Optical measurement, Photon beams

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